It's actually quite easy to sell your own place, a few friends of mine have done so recently and sweat by it.
http://www.sellmyhouseonline.com.au/
http://www.buymyplace.com.au/
http://www.mypropertydirect.com.au/#
Agents will always push for a sale, add pressure to both buyer and seller to close the deal. When selling yourself you speak directly with buyers so you know what's up.
